Choice could be not set and should not be used

[rhatdan]

Fixes: #1445

Summary by Sourcery

Prevent using unset choice in the client core by adding validation and error handling for missing choices

Bug Fixes:

• Add checks to ensure a choice is set before it is used
• Emit an appropriate error when attempting to use an unset choice and exit with failure

[sourcery-ai]

Reviewer's Guide

This pull request addresses the issue where an unset “choice” value could be used, leading to incorrect behavior or runtime errors by adding guard checks and initializing defaults.

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[sourcery-ai]

Hey @rhatdan - I've reviewed your changes and they look great!

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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[sarroutbi]

LGTM

[taronaeo]

Tested against #1445, LGTM